.main-scenery {
    width: 1300px;
    height: 4000px;
    margin: 110px auto;

    .nav {
        position: relative;
        width: 1300px;
        height: 650px;

        .topic {
            position: absolute;
            top: -60px;
            left: 366px;
            font-size: 38px;
        }

        .etc {
            width: 1300px;
            height: 600px;

            :nth-child(3n) {
                margin-right: 0;
            }

            li {
                float: left;
                width: 400px;
                height: 250px;
                margin-right: 50px;
                margin-top: 30px;
                border-radius: 10px;
                overflow: hidden;
                position: relative;

                img {
                    width: 100%;
                    height: 100%;
                }

                .mask {
                    position: absolute;
                    top: 0;
                    right: 0;
                    width: 100%;
                    height: 100%;
                    background-color: rgba(26, 23, 23, 0.8);
                    z-index: 900;
                    text-align: center;
                    display: none;

                    h3 {
                        color: rgb(255, 242, 242);
                        font-size: 40px;
                        font-weight: 500;
                        text-align: center;
                        margin-top: 70px;
                    }

                    a {
                        width: 110px;
                        height: 45px;

                        button {
                            padding: 0 25px;
                            height: 45px;
                            font-size: 15px;
                            margin-top: 30px;
                            border-radius: 25px;
                            border: none;
                            cursor: pointer;
                        }
                    }
                }
            }
        }
    }

    .info-scenery {
        width: 1300px;
        height: 3400px;

        li {
            width: 1300px;
            height: 520px;
            background-color: rgba(169, 218, 255, 0.2);
            margin-bottom: 40px;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 5px 10px #ddd;

            .banner {
                width: 1100px;
                height: 400px;
                margin: 60px auto;
                box-shadow: 0 5px 10px #ddd;

                img {
                    height: 400px;
                    width: 500px;
                }

                div {
                    box-sizing: border-box;
                    width: 600px;
                    height: 400px;
                    padding: 15px 70px;
                    border: 1px solid rgba(200, 200, 200, 0.5);
                    background-color: rgba(114, 194, 255, 0.1);

                    h3 {
                        font-size: 35px;
                        font-weight: 400;
                        color: rgb(0, 132, 255);
                        padding-bottom: 17px;
                    }

                    p {
                        font-size: 15px;
                        line-height: 28px;
                        text-indent: 2em;
                    }

                    p:nth-child(4) {
                        text-indent: 0em;
                    }
                }
            }

            &:nth-child(2n+1) {
                .banner {
                    img {
                        float: left;
                    }

                    div {
                        border-radius: 0 15px 15px 0;
                        float: left;
                    }
                }
            }

            &:nth-child(2n) {
                .banner {
                    img {
                        float: right;
                    }

                    div {
                        border-radius: 15px 0 0 15px;
                        float: right;
                    }
                }
            }
        }


    }


}

.top {
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: fixed;
    bottom: 185px;
    right: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 20px;
    background: url(../img/go-top.svg) no-repeat;
    background-position: center;
    background-size: 20px 20px;
    background-color: rgb(253, 253, 253);
    box-shadow: 0 2px 6px 0 rgb(0 0 0 / 10%);
}